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7070666189 is a prime number
BaseRepresentation
bin1101001010111000…
…11100110111001101
3200020202201001120112
412211130130313031
5103440042304224
63125340525405
7340134446066
oct64534346715
920222631515
107070666189
112aa9230184
121453b50865
13888b48a62
144b10b356d
152b5b2730e
hex1a571cdcd

7070666189 has 2 divisors, whose sum is σ = 7070666190. Its totient is φ = 7070666188.

The previous prime is 7070666159. The next prime is 7070666203. The reversal of 7070666189 is 9816660707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7032164164 + 38502025 = 83858^2 + 6205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7070666189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7070666159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535333094 + 3535333095.

It is an arithmetic number, because the mean of its divisors is an integer number (3535333095).

Almost surely, 27070666189 is an apocalyptic number.

It is an amenable number.

7070666189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7070666189 is an equidigital number, since it uses as much as digits as its factorization.

7070666189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 7070666189 is about 84087.2534276153. The cubic root of 7070666189 is about 1919.3467639058.

The spelling of 7070666189 in words is "seven billion, seventy million, six hundred sixty-six thousand, one hundred eighty-nine".